Merge pull request #12902 from Heroman3003/echosong

Adds Echo Song language

code/modules/mob/language/generic.dm

@@ -145,8 +145,9 @@
 // which is exactly what sign language does.
 /datum/language/sign/broadcast(var/mob/living/speaker, var/message, var/speaker_mask)
 	log_say("(SIGN) [message]", speaker)
-	speaker.say_signlang(message, pick(signlang_verb), src)
-	
+	var/verb_to_use = pick(signlang_verb)
+	speaker.say_signlang(message, verb_to_use, verb_to_use, src)
+
 
 // Silly language for those times when you try to talk a languague you normally can't
 /datum/language/gibberish

code/modules/mob/language/language.dm

@@ -12,6 +12,7 @@
 	var/exclaim_verb = "exclaims"     // Used when sentence ends in a !
 	var/whisper_verb                  // Optional. When not specified speech_verb + quietly/softly is used instead.
 	var/signlang_verb = list("signs", "gestures") // list of emotes that might be displayed if this language has NONVERBAL or SIGNLANG flags
+	var/signlang_verb_understood = list("signs")  // snowflake bs, used only for echo
 	var/colour = "body"               // CSS style to use for strings in this language.
 	var/key = "x"                     // Character used to speak in language eg. :o for Unathi.
 	var/flags = 0                     // Various language flags.
@@ -20,6 +21,7 @@
 	var/list/space_chance = 55        // Likelihood of getting a space in the random scramble string
 	var/machine_understands = 1		  // Whether machines can parse and understand this language
 	var/list/partial_understanding	  // List of languages that can /somehwat/ understand it, format is: name = chance of understanding a word
+	var/ignore_adverb = FALSE 		  // For inaudible languages that we dont want adverb for
 
 /datum/language/proc/get_random_name(var/gender, name_count=2, syllable_count=4, syllable_divisor=2)
 	if(!syllables || !syllables.len)
@@ -235,7 +237,7 @@
 //TBD
 /mob/proc/check_lang_data()
 	. = ""
-	
+
 	for(var/datum/language/L in languages)
 		if(!(L.flags & NONGLOBAL))
 			. += "<b>[L.name] ([get_language_prefix()][L.key])</b><br/>[L.desc]<br/><br/>"

code/modules/mob/language/station.dm

@@ -96,7 +96,8 @@
 
 /datum/language/tajsign/broadcast(var/mob/living/speaker, var/message, var/speaker_mask)
 	log_say("(SIGN) [message]", speaker)
-	speaker.say_signlang(message, pick(signlang_verb), src)
+	var/verb_to_use = pick(signlang_verb)
+	speaker.say_signlang(message, verb_to_use, verb_to_use, src)
 
 /datum/language/tajsign/can_speak_special(var/mob/speaker)	// TODO: If ever we make external organs assist languages, convert this over to the new format
 	var/list/allowed_species = list(SPECIES_TAJ, SPECIES_TESHARI)	// Need a tail and ears and such to use this.

code/modules/mob/language/station_vr.dm

@@ -167,7 +167,24 @@
 	exclaim_verb = "squeaks loudly"
 	syllables = list ("sque", "uik", "squeak", "squee", "eak", "eek", "uek", "squik",
 			"squeek", "sq", "squee", "ee", "ek", "ak", "ueak", "squea")
-	colour = "tavan" 
+	colour = "tavan"
+
+/datum/language/echosong
+	name = LANGUAGE_ECHOSONG
+	desc = "An ultrasound-based language, inaudible to those unable to understand it."
+	key = "U"
+	signlang_verb = list("opens their mouth soundlessly", "mouthes something silently")
+	signlang_verb_understood = list("squeaks")
+	colour = "echosong"
+	flags = INAUDIBLE
+	ignore_adverb = TRUE
+
+/datum/language/echosong/scramble(var/input, var/list/known_languages)
+	return stars(input)
+
+/datum/language/echosong/broadcast(var/mob/living/speaker, var/message, var/speaker_mask)
+	log_say("(INAUDIBLE) [message]", speaker)
+	speaker.say_signlang(format_message(message), pick(signlang_verb), pick(signlang_verb_understood), src, 2)
 
 /datum/language/unathi
 	flags = 0